package com.megan.design.principle.singleresponsibility;

/**
 * @Author: megan
 * @Data: 2018/8/19 下午7:33
 * @Description:
 */
public class CourseImpl implements ICourseContent,ICourseMeanager {

    @Override
    public void studyCourse() {

    }

    @Override
    public void refundCourse() {

    }

    @Override
    public String getCourseName() {
        return null;
    }

    @Override
    public byte[] getCourseVideo() {
        return new byte[0];
    }

}
